Climate Insights for Grundarfjörður Airport

The climate in Grundarfjörður Airport is cool. The average annual temperature is 5°C and approximately 1031mm of precipitation falls per year. Grundarfjörður Airport receives a notable amount of rainfall throughout the year, including during its driest month. Grundarfjörður Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 159cm accumulating over the season.

Grundarfjörður Airport sees moderate temperature variation throughout the year, ranging from 0°C to 11°C. August is the warmest month, though highs remain moderate at 11°C with a mean of 10°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between May and June, with a 3°C shift in average temperatures.

Grundarfjörður Airport is a moderately rainy area, receiving approximately 1031mm of precipitation annually, which averages out to around 86mm per month. The wettest month is September, averaging 119mm of rainfall. October and February also tend to see above-average precipitation. The driest month is July, with just 55mm. That's 65mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 159cm accumulating over the season. February typically sees the most snow at around 36cm.

Grundarfjörður Airport is very windy, with an average annual wind speed of 32km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 39km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 15km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 39km/h in winter, 33km/h in spring, 25km/h in summer, 34km/h in autumn.

It is currently spring in Grundarfjörður Airport, which began on March 20, 2026. Grundarfjörður Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 11°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Grundarfjörður Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.